CP-sensitive spin-spin correlations in neutralino production at the ILC

Author(s)
Alfred Bartl, Karl Hohenwarter-Sodek, Thomas Kernreiter, Olaf Kittel, Marc Terwort
Abstract

We study the CP-violating terms of the spin-spin correlations in neutralino production and their subsequent two-body decays into sleptons plus leptons at the ILC. We analyze CP-sensitive observables with the help of T-odd products of the spin-spin terms. These terms depend on the polarizations of both neutralinos, with one polarization perpendicular to the production plane. We present a detailed numerical study of the CP-sensitive observables, cross sections, and neutralino branching ratios in the Minimal Supersymmetric Standard Model with complex parameters.

Organisation(s)
Particle Physics
External organisation(s)
Instituto Superior Técnico, Universidad de Granada, Universität Hamburg
Journal
Journal of High Energy Physics
Volume
2009
No. of pages
23
ISSN
1029-8479
DOI
https://doi.org/10.1088/1126-6708/2009/07/054
Publication date
2009
Peer reviewed
Yes
Austrian Fields of Science 2012
1030 Physics, Astronomy
Portal url
https://ucris.univie.ac.at/portal/en/publications/cpsensitive-spinspin-correlations-in-neutralino-production-at-the-ilc(39008149-3466-4f20-8677-3dc6d3148c75).html